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Thermal behavior of hydrochar from co-hydrothermal carbonization of swine manure and sawdust: effect of process water recirculation
Lang, Qianqian; Luo, Hainan; Li, Yi; Li, Dong; Liu, Zhengang; Yang, Tianxue
2019-09-01
Source PublicationSUSTAINABLE ENERGY & FUELS
ISSN2398-4902
Volume3Issue:9Pages:2329-2336
AbstractEffect of process water recirculation during co-hydrothermal carbonization (co-HTC) of swine manure (SM) and sawdust (SD) on the thermal behavior of hydrochar was investigated in this study. The results showed that process water recirculation promoted the dehydration and decarboxylation reactions, and increased the mass and energy yields of hydrochar during co-HTC. The combustion behavior of hydrochar was changed by the recirculation process with decreased ignition temperature and increased burnout temperature. Additionally, the first process water recirculation decreased the average activation energy (E-a) value of the hydrochar from 156.46 and 154.16 kJ mol(-1) to 136.95 and 133.67 kJ mol(-1) by Flynn-Wall-Ozawa and Kissinger-Akahira-Sunose methods, respectively, and further recirculation had a slight effect on the E-a value. The thermodynamic parameter of entropy change verified that combustion reactivity of the hydrochar was enhanced by process water recirculation. The present study demonstrated that process water recirculation was feasible and environment-friendly for fuel production during co-HTC of SM and SD.
Department固体废弃物处理与资源化实验室
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/43176
Collection固体废弃物处理与资源化实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, 18 Shuangqing Rd, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Zaozhuang Univ, Coll Chem Engn & Mat Sci, Zaozhuang 277160, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Lang, Qianqian,Luo, Hainan,Li, Yi,et al. Thermal behavior of hydrochar from co-hydrothermal carbonization of swine manure and sawdust: effect of process water recirculation[J]. SUSTAINABLE ENERGY & FUELS,2019,3(9):2329-2336.
APA Lang, Qianqian,Luo, Hainan,Li, Yi,Li, Dong,Liu, Zhengang,&Yang, Tianxue.(2019).Thermal behavior of hydrochar from co-hydrothermal carbonization of swine manure and sawdust: effect of process water recirculation.SUSTAINABLE ENERGY & FUELS,3(9),2329-2336.
MLA Lang, Qianqian,et al."Thermal behavior of hydrochar from co-hydrothermal carbonization of swine manure and sawdust: effect of process water recirculation".SUSTAINABLE ENERGY & FUELS 3.9(2019):2329-2336.
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